Bus with wings.
It's like Southwest without the cuteness and free things. More Spirit than Southwest.
Follow the rules (to the letter), ignore the sales pitches and it's fine - especially for a flight that short.
So check in online. Get your passport checked before going through security (as I assume you're a non-EU citizen, the will check and stamp your boarding pass), stick to all the luggage limits (1 carry on means 1..no extra laptop, shopping bags etc), luggage size limits etc.